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Smoke-black & white

Tiny
STORN
  • MEMBER
  • 1995 FORD LASER
  • 305,000 MILES
Problem with mass air flow sensor, changed it. After sent for service, they change valve, after that I have problem with timing & black smoke. Now they already 'clean up' my engine head. Now lot of white smoke & timing crazy
Thursday, April 5th, 2012 AT 8:33 AM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Are you overheating?
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Thursday, April 5th, 2012 AT 9:00 AM
Tiny
STORN
  • MEMBER
  • 2 POSTS
No, no problem with temperature
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Friday, April 6th, 2012 AT 1:24 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Black smoke indicates the fuel mixture is too rich-could be caused by one of the following below:

1. Excessive fuel pressure can be cause by restricted fuel return line

2. Defective Oxygen Sensors.

3. Leaking injectors and fuel pressure regulator.

4. Coolant temperature sensor out of calibration.

5. Restricted air intake system.
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Friday, April 6th, 2012 AT 7:06 PM

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